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  <title>Returns the auto generated id used in the last query</title>
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  <div id="layout-content"><div id="function.maxdb-insert-id" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">maxdb_insert_id</h1>
  <h1 class="refname">maxdb::insert_id</h1>
  <p class="verinfo">(PECL maxdb &gt;= 1.0)</p><p class="refpurpose"><span class="refname">maxdb_insert_id</span> -- <span class="refname">maxdb::insert_id</span> &mdash; <span class="dc-title">Returns the auto generated id used in the last query</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.maxdb-insert-id-description">
  <h3 class="title">说明</h3>
  <p class="para">过程化风格</p>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>maxdb_insert_id</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link</code></span>
   ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">面向对象风格</p>
  <div class="fieldsynopsis"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <var class="varname">$maxdb-&gt;insert_id</var>;</div>

  <p class="para">
   The <span class="function"><strong>maxdb_insert_id()</strong></span> function returns the ID generated
   by a query on a table with a column having the DEFAULT SERIAL attribute. If
   the last query wasn&#039;t an INSERT or UPDATE statement or if the modified table
   does not have a column with the DEFAULT SERIAL attribute, this function will
   return zero.
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.maxdb-insert-id-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   The value of the <em>DEFAULT SERIAL</em> field that was updated
   by the previous query. Returns zero if there was no previous query on the
   connection or if the query did not update an <em>DEFAULT_SERIAL</em>
   value.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    If the number is greater than maximal int value, <span class="function"><strong>maxdb_insert_id()</strong></span>
    will return a string.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 examples" id="refsect1-function.maxdb-insert-id-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="example-1377">
   <p><strong>Example #1 面向对象风格</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$maxdb&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">maxdb</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"MONA"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"RED"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"DEMODB"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;check&nbsp;connection&nbsp;*/<br /></span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">maxdb_connect_errno</span><span style="color: #007700">())&nbsp;{<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect&nbsp;failed:&nbsp;%s\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br />&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></span><span style="color: #0000BB">maxdb_report&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">MAXDB_REPORT_OFF</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">"DROP&nbsp;TABLE&nbsp;mycity"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">maxdb_report&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">MAXDB_REPORT_ERROR</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE&nbsp;TABLE&nbsp;mycity&nbsp;LIKE&nbsp;hotel.city"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">"ALTER&nbsp;TABLE&nbsp;mycity&nbsp;ADD&nbsp;id&nbsp;FIXED(11)&nbsp;DEFAULT&nbsp;SERIAL"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$query&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"INSERT&nbsp;INTO&nbsp;mycity&nbsp;(zip,name,state)&nbsp;VALUES&nbsp;('12203','Albany'&nbsp;,'NY')"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">printf&nbsp;</span><span style="color: #007700">(</span><span style="color: #DD0000">"New&nbsp;Record&nbsp;has&nbsp;id&nbsp;%d.\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">insert_id</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;drop&nbsp;table&nbsp;*/<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">"DROP&nbsp;TABLE&nbsp;mycity"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;close&nbsp;connection&nbsp;*/<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">close</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
   </div>

  </div>
  <div class="example" id="example-1378">
   <p><strong>Example #2 过程化风格</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$link&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">maxdb_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"MONA"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"RED"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"DEMODB"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;check&nbsp;connection&nbsp;*/<br /></span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">maxdb_connect_errno</span><span style="color: #007700">())&nbsp;{<br />&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect&nbsp;failed:&nbsp;%s\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br />&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></span><span style="color: #0000BB">maxdb_report&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">MAXDB_REPORT_OFF</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">maxdb_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,</span><span style="color: #DD0000">"DROP&nbsp;TABLE&nbsp;mycity"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">maxdb_report&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">MAXDB_REPORT_ERROR</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">maxdb_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"CREATE&nbsp;TABLE&nbsp;mycity&nbsp;LIKE&nbsp;hotel.city"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">maxdb_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"ALTER&nbsp;TABLE&nbsp;mycity&nbsp;ADD&nbsp;id&nbsp;FIXED(11)&nbsp;DEFAULT&nbsp;SERIAL"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$query&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"INSERT&nbsp;INTO&nbsp;mycity&nbsp;(zip,name,state)&nbsp;VALUES&nbsp;('12203','Albany'&nbsp;,'NY')"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">maxdb_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">printf&nbsp;</span><span style="color: #007700">(</span><span style="color: #DD0000">"New&nbsp;Record&nbsp;has&nbsp;id&nbsp;%d.\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">maxdb_insert_id</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">/*&nbsp;drop&nbsp;table&nbsp;*/<br /></span><span style="color: #0000BB">maxdb_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"DROP&nbsp;TABLE&nbsp;mycity"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;close&nbsp;connection&nbsp;*/<br /></span><span style="color: #0000BB">maxdb_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
   </div>

  </div>
  <p class="para">以上例程的输出类似于：</p>
  <div class="example-contents screen">
<div class="cdata"><pre>
New Record has id 1.
</pre></div>
  </div>
 </div>


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